Oceans of Resources Author:J. E. Culbertson Earth is a blue, water-covered planet. More than seventy percent of Earth's surface is ocean. That's almost 45 million square miles of water, making Earth the wettest planet in the solar system. While Earth's human inhabitants live on land, they rely on the oceans to profide many of their needs. Food, transportation, minerals, recreation, an... more »d even energy are all important ocean resources for humans around the globe...« less